Problemas del Desarrollo. Revista Latinoamericana de Economía, 2013
El objetivo del trabajo es analizar las características más importantes del Sistema Alimentano Me... more El objetivo del trabajo es analizar las características más importantes del Sistema Alimentano Mexicano (SAM), como proyecto alternativo del Gobierno Federal el cual pretende constituir una salida a la crisis agrícola que se presenta a partir de la segunda mitad de los sesentas y que aún es vigente. Se sostiene que la crisis agrícola es el antecedente inmediato y marco en el que debe ser analizado el SAM; se señalan las características más importantes de esta crisis; concentración de la tierra, pauperización del campesinado, intensificación de la lucha de clases en el campo y la pérdida de la autosuficiencia alimentaria, y se plantean algunas hipótesis explicativas de las mismas. El trabajo incluye una descripción de los aspectos fundamentales del SAM como proyecto: planteamientos estratégicos, lineamientos de política económica, lineamientos operativos y un análisis de sus efectos potenciales en un marco multisectorial hipotético.
A physicochemical, palynological and chronological analysis of a soil profile corresponding to a ... more A physicochemical, palynological and chronological analysis of a soil profile corresponding to a Haplic Chernozem (FAO, 2015) developed in the Ukrainian steppe allow the interpretation of recent environmental changes that have conditioned its formation. Uniformed under the blackening process, its surface horizon dark color contrasts with yellowish color loessic parental material; it is decarbonated and the organic carbon content on the surface is 2.24%.The texture is silty in surface but sandy in lower horizon denoting a clear wind selection and an energy change in aeolian sedimentation processes. The clays present similar values in the three analyzed horizons. The presence of two discontinuities in the profile has made it possible to distinguish a very sandy blackened horizon of 2500 +/- 25cal BP chronologies from another silty surface and black chromas of age 1336–1256 cal BP. A total of fifteen pollen types have been identified; superficial horizon (A11) has a high presence of ...
espanolSe efectua un analisis de los elementos naturales contenidos en la obra de la pintora May ... more espanolSe efectua un analisis de los elementos naturales contenidos en la obra de la pintora May Perea-Milla. EnglishA naturalistic analysis about the pint-works of May Perea-Milla is carried out.
Se ha estudiado el comportamieto ecologico de 17 especies lenosas mediterraneas ( Arbutus unedo C... more Se ha estudiado el comportamieto ecologico de 17 especies lenosas mediterraneas ( Arbutus unedo Cistus albidus, C. ladanifer, C. monspeliensis, C. salvifolius, Erica arborea, E. australis, Genista hirsuta, Lavandula stoechas, Phyllirea angustifolia, Phlomis purpurea, Pistacia lentiscus, Querqus rotundifolia, Q. suber, Q. coccifera, Q. faginea, Rosmarinus officinalis ) con respecto al pH del suelo en la region de Sierra Morena. Para ello han sido considerados tanto el valor optimo y la amplitud ecologicos de cada especie en base a sus medias aritmeticas y desviaciones estandar, respectivamente. Como resultado de este analisis se han detectado distribuciones netamente acidofilas como las de A. unedo, C. ladanifer, E. arborea, E. australis y L. stoechas (valores medios inferiores a 5,6) frente a otras de tendencia neutrofila-basofila como C. albidus y Ph. purpurea (valores medios de 6,8), ademas de ostras claramente indiferentes a la reaccion del suelo como Q. coccifera, R. officinalis...
A statistical analysis is carried out on the influence that certain physico-chemical parameters e... more A statistical analysis is carried out on the influence that certain physico-chemical parameters exert on tirsification and vertisolization pedological processes that occur under certain geomorphological conditions in Andalusia region (Spain). Both processes occur on a parent material with high contents in smectitic clays, massive and uniform and contrasting climatic conditions where periods of humidity and those of drought alternate. Chromic Vertisol (tirsificated) versus Calcium Vertisol (vertisolizated) (FAO, 2015) shows a greater interrelation between parameters given its greater weathering. Organic carbon controls a large part of its physical-chemical processes where the lateral washing of salts and carbonates together with manganese, always in a lower concentration than iron, play a definitive role in the blackening of its horizons. The chemical fertility is always low and the geomorphological conditions seems to account for its agricultural capacity.
The development of the organic market in the world requires conducting a research on the problems... more The development of the organic market in the world requires conducting a research on the problems that accompany this process. Such studies are becoming more popular and apply not only to organic products market at the global level, but also at the local level. In order to identify global problems, the state and trends of the organic products markets in the USA, Germany, France, Britain as the biggest national markets were analyzed on the basis of the data characterizing the state of organic products market in Ukraine and in the world, provided by the Research Institute of Organic Agriculture (FIBL) and the International Federation of Organic Agricultural Movements (IFOAM). The research of the state and trends of the Ukrainian organic market and agricultural production development was conducted, and using the SWOT analysis methodology and the principles laid out in the PEST analysis, its strengths and weaknesses, opportunities and threats were identified. Within each element, social...
Boletín de la Asociación de Geógrafos Españoles, 2017
En el presente trabajo se localizan, caracterizan y describen las captaciones de aguas y lastraza... more En el presente trabajo se localizan, caracterizan y describen las captaciones de aguas y lastrazas de las antiguas canalizaciones que han alimentado históricamente a la ciudad de Córdoba procedentes del borde meridional de Sierra Morena. Se ha georreferenciado medianteGPS la ubicación de los diferentes tipos de captaciones, qanats, minas de agua y pozos, asícomo los elementos constructivos necesarios para la distribución (atarjeas, atanores, repartidores…) y almacenamiento de agua (albercas, alcubillas, cauchiles…) que han permitidoel abastecimiento del núcleo urbano de Córdoba casi hasta la actualidad. Se ha recopiladoy analizado la información disponible tanto para aquellos elementos que en la actualidadsiguen en uso, como para aquellos otros en mal estado o desaparecidos, al tiempo que se han identificado nuevas estructuras de las que no se tenía constancia, evidenciando la existencia de un patrimonio histórico de primer orden sobre el que se ha basado, hasta hace algunas décadas...
On the dunes of Doñana National Park (Spain) and in areas coinciding with a Juniperus turbinata e... more On the dunes of Doñana National Park (Spain) and in areas coinciding with a Juniperus turbinata evolved savin forest, the presence of Arenosoles with dark colours, presence of clays and levels enriched in iron and manganese at about 60 cm depth are detected. Its physicochemical and mineralogical characterization has been carried out following the usual methodology of our laboratory. These soils (profile SOJ-2) show a higher level of magnetic susceptibility, vermiculite biogenic clays and mild luvic and chromic properties in an B incipient horizon formation. All this denotes a greater pedogenesis that usually affects to the aeolian littoral sheet that characterizes to this important natural reserve. The phytostability that Juniperus turbinata offers would be the responsible for this pedogenesis, and the evolution experienced by the physicochemical parameters with the depth show an intense lateral washing of sand (sand washing). The different patterns of distribution of the medium san...
Course with an extension of thirty academic hours celebrated in La Rábida (Huelva, Spain), headqu... more Course with an extension of thirty academic hours celebrated in La Rábida (Huelva, Spain), headquarter of International University of Andalucía (UNIA) with the economic supporting of Andalusia Environmental Autonomous Government, and organized by Córdoba University (Faculty of Science) and Seville University (Faculty of Geography), with the collaboration of «Nicolay Masyuk» seminar and Andalusia Quaternary Group (AEQUA-GAC). The main objective was a conceptual updating of pedology science with a new vision about the soil with an element of the ecosystem subjected to superficial dynamic and human actions. Contemplate it with fundamental elements of territory and the agricultural and natural landscape, relationship with biodiversity and geodiversity, the Natural Protected Areas and the erosion problems.
Los Pedroches pasture settles on granitic-magmatic rocks evolving to young sandy soils, poor in n... more Los Pedroches pasture settles on granitic-magmatic rocks evolving to young sandy soils, poor in nutrients and clays including Lithosols, Haplic and Cambic Arenosols and Cambisols. Exclusively in older and erosion-protected surfaces Chromic Luvisols (FAO, 1989) have been preserved.
Se modela el comportamiento del nivel piezométrico intraanual de la laguna Charco del Toro (Parqu... more Se modela el comportamiento del nivel piezométrico intraanual de la laguna Charco del Toro (Parque Nacional de Doñana, Huelva, España) mediante técnicas de análisis multivariante. El propósito del trabajo es doble: por una parte, interpretar el comportamiento actual del nivel piezométrico de la laguna a partir de diferentes variables ambientales y, por otra, realizar predicciones ante el cambio climático para finales del siglo XXI. Aunque la aproximación metodológica para ambos tipos de modelos es semejante, basada en el análisis de regresión lineal multivariante, los modelos elaborados para cada uno de los propósitos fueron diferentes, debido a la mayor disponibilidad de datos para variables ambientales en el pasado reciente, que de predicciones con suficiente precisión sobre variables ambientales en el futuro. Los resultados obtenidos del modelo explicativo del funcionamiento actual de la laguna indican que el comportamiento del nivel piezométrico depende esencialmente de la preci...
The RLO-ZC profile of Río Loro small lake at El Abalarlo area in MELAD (Aeolian Littoral Sand She... more The RLO-ZC profile of Río Loro small lake at El Abalarlo area in MELAD (Aeolian Littoral Sand Sheet at El Abalario-Doñana), in Doñana Natural Park (Huelva, Spain) has been studied from a weathering point of view. We can identify two units in this profile: the below of these constitutes one sandy-clayey removed deposit from Pleistocene, where quartz is predominating in sands and kaolinites in the clay minerals. The superior unit is a sandy-clayey deposit ofaeolian and pooled character from Pleisto-Holocene or Holocene with quartz, high level smectite content and low level kaolinite proportion. Finally, the study provides a new interpretation to the geomorphologic model of MELAD in El Abalario are
Problemas del Desarrollo. Revista Latinoamericana de Economía, 2013
El objetivo del trabajo es analizar las características más importantes del Sistema Alimentano Me... more El objetivo del trabajo es analizar las características más importantes del Sistema Alimentano Mexicano (SAM), como proyecto alternativo del Gobierno Federal el cual pretende constituir una salida a la crisis agrícola que se presenta a partir de la segunda mitad de los sesentas y que aún es vigente. Se sostiene que la crisis agrícola es el antecedente inmediato y marco en el que debe ser analizado el SAM; se señalan las características más importantes de esta crisis; concentración de la tierra, pauperización del campesinado, intensificación de la lucha de clases en el campo y la pérdida de la autosuficiencia alimentaria, y se plantean algunas hipótesis explicativas de las mismas. El trabajo incluye una descripción de los aspectos fundamentales del SAM como proyecto: planteamientos estratégicos, lineamientos de política económica, lineamientos operativos y un análisis de sus efectos potenciales en un marco multisectorial hipotético.
A physicochemical, palynological and chronological analysis of a soil profile corresponding to a ... more A physicochemical, palynological and chronological analysis of a soil profile corresponding to a Haplic Chernozem (FAO, 2015) developed in the Ukrainian steppe allow the interpretation of recent environmental changes that have conditioned its formation. Uniformed under the blackening process, its surface horizon dark color contrasts with yellowish color loessic parental material; it is decarbonated and the organic carbon content on the surface is 2.24%.The texture is silty in surface but sandy in lower horizon denoting a clear wind selection and an energy change in aeolian sedimentation processes. The clays present similar values in the three analyzed horizons. The presence of two discontinuities in the profile has made it possible to distinguish a very sandy blackened horizon of 2500 +/- 25cal BP chronologies from another silty surface and black chromas of age 1336–1256 cal BP. A total of fifteen pollen types have been identified; superficial horizon (A11) has a high presence of ...
espanolSe efectua un analisis de los elementos naturales contenidos en la obra de la pintora May ... more espanolSe efectua un analisis de los elementos naturales contenidos en la obra de la pintora May Perea-Milla. EnglishA naturalistic analysis about the pint-works of May Perea-Milla is carried out.
Se ha estudiado el comportamieto ecologico de 17 especies lenosas mediterraneas ( Arbutus unedo C... more Se ha estudiado el comportamieto ecologico de 17 especies lenosas mediterraneas ( Arbutus unedo Cistus albidus, C. ladanifer, C. monspeliensis, C. salvifolius, Erica arborea, E. australis, Genista hirsuta, Lavandula stoechas, Phyllirea angustifolia, Phlomis purpurea, Pistacia lentiscus, Querqus rotundifolia, Q. suber, Q. coccifera, Q. faginea, Rosmarinus officinalis ) con respecto al pH del suelo en la region de Sierra Morena. Para ello han sido considerados tanto el valor optimo y la amplitud ecologicos de cada especie en base a sus medias aritmeticas y desviaciones estandar, respectivamente. Como resultado de este analisis se han detectado distribuciones netamente acidofilas como las de A. unedo, C. ladanifer, E. arborea, E. australis y L. stoechas (valores medios inferiores a 5,6) frente a otras de tendencia neutrofila-basofila como C. albidus y Ph. purpurea (valores medios de 6,8), ademas de ostras claramente indiferentes a la reaccion del suelo como Q. coccifera, R. officinalis...
A statistical analysis is carried out on the influence that certain physico-chemical parameters e... more A statistical analysis is carried out on the influence that certain physico-chemical parameters exert on tirsification and vertisolization pedological processes that occur under certain geomorphological conditions in Andalusia region (Spain). Both processes occur on a parent material with high contents in smectitic clays, massive and uniform and contrasting climatic conditions where periods of humidity and those of drought alternate. Chromic Vertisol (tirsificated) versus Calcium Vertisol (vertisolizated) (FAO, 2015) shows a greater interrelation between parameters given its greater weathering. Organic carbon controls a large part of its physical-chemical processes where the lateral washing of salts and carbonates together with manganese, always in a lower concentration than iron, play a definitive role in the blackening of its horizons. The chemical fertility is always low and the geomorphological conditions seems to account for its agricultural capacity.
The development of the organic market in the world requires conducting a research on the problems... more The development of the organic market in the world requires conducting a research on the problems that accompany this process. Such studies are becoming more popular and apply not only to organic products market at the global level, but also at the local level. In order to identify global problems, the state and trends of the organic products markets in the USA, Germany, France, Britain as the biggest national markets were analyzed on the basis of the data characterizing the state of organic products market in Ukraine and in the world, provided by the Research Institute of Organic Agriculture (FIBL) and the International Federation of Organic Agricultural Movements (IFOAM). The research of the state and trends of the Ukrainian organic market and agricultural production development was conducted, and using the SWOT analysis methodology and the principles laid out in the PEST analysis, its strengths and weaknesses, opportunities and threats were identified. Within each element, social...
Boletín de la Asociación de Geógrafos Españoles, 2017
En el presente trabajo se localizan, caracterizan y describen las captaciones de aguas y lastraza... more En el presente trabajo se localizan, caracterizan y describen las captaciones de aguas y lastrazas de las antiguas canalizaciones que han alimentado históricamente a la ciudad de Córdoba procedentes del borde meridional de Sierra Morena. Se ha georreferenciado medianteGPS la ubicación de los diferentes tipos de captaciones, qanats, minas de agua y pozos, asícomo los elementos constructivos necesarios para la distribución (atarjeas, atanores, repartidores…) y almacenamiento de agua (albercas, alcubillas, cauchiles…) que han permitidoel abastecimiento del núcleo urbano de Córdoba casi hasta la actualidad. Se ha recopiladoy analizado la información disponible tanto para aquellos elementos que en la actualidadsiguen en uso, como para aquellos otros en mal estado o desaparecidos, al tiempo que se han identificado nuevas estructuras de las que no se tenía constancia, evidenciando la existencia de un patrimonio histórico de primer orden sobre el que se ha basado, hasta hace algunas décadas...
On the dunes of Doñana National Park (Spain) and in areas coinciding with a Juniperus turbinata e... more On the dunes of Doñana National Park (Spain) and in areas coinciding with a Juniperus turbinata evolved savin forest, the presence of Arenosoles with dark colours, presence of clays and levels enriched in iron and manganese at about 60 cm depth are detected. Its physicochemical and mineralogical characterization has been carried out following the usual methodology of our laboratory. These soils (profile SOJ-2) show a higher level of magnetic susceptibility, vermiculite biogenic clays and mild luvic and chromic properties in an B incipient horizon formation. All this denotes a greater pedogenesis that usually affects to the aeolian littoral sheet that characterizes to this important natural reserve. The phytostability that Juniperus turbinata offers would be the responsible for this pedogenesis, and the evolution experienced by the physicochemical parameters with the depth show an intense lateral washing of sand (sand washing). The different patterns of distribution of the medium san...
Course with an extension of thirty academic hours celebrated in La Rábida (Huelva, Spain), headqu... more Course with an extension of thirty academic hours celebrated in La Rábida (Huelva, Spain), headquarter of International University of Andalucía (UNIA) with the economic supporting of Andalusia Environmental Autonomous Government, and organized by Córdoba University (Faculty of Science) and Seville University (Faculty of Geography), with the collaboration of «Nicolay Masyuk» seminar and Andalusia Quaternary Group (AEQUA-GAC). The main objective was a conceptual updating of pedology science with a new vision about the soil with an element of the ecosystem subjected to superficial dynamic and human actions. Contemplate it with fundamental elements of territory and the agricultural and natural landscape, relationship with biodiversity and geodiversity, the Natural Protected Areas and the erosion problems.
Los Pedroches pasture settles on granitic-magmatic rocks evolving to young sandy soils, poor in n... more Los Pedroches pasture settles on granitic-magmatic rocks evolving to young sandy soils, poor in nutrients and clays including Lithosols, Haplic and Cambic Arenosols and Cambisols. Exclusively in older and erosion-protected surfaces Chromic Luvisols (FAO, 1989) have been preserved.
Se modela el comportamiento del nivel piezométrico intraanual de la laguna Charco del Toro (Parqu... more Se modela el comportamiento del nivel piezométrico intraanual de la laguna Charco del Toro (Parque Nacional de Doñana, Huelva, España) mediante técnicas de análisis multivariante. El propósito del trabajo es doble: por una parte, interpretar el comportamiento actual del nivel piezométrico de la laguna a partir de diferentes variables ambientales y, por otra, realizar predicciones ante el cambio climático para finales del siglo XXI. Aunque la aproximación metodológica para ambos tipos de modelos es semejante, basada en el análisis de regresión lineal multivariante, los modelos elaborados para cada uno de los propósitos fueron diferentes, debido a la mayor disponibilidad de datos para variables ambientales en el pasado reciente, que de predicciones con suficiente precisión sobre variables ambientales en el futuro. Los resultados obtenidos del modelo explicativo del funcionamiento actual de la laguna indican que el comportamiento del nivel piezométrico depende esencialmente de la preci...
The RLO-ZC profile of Río Loro small lake at El Abalarlo area in MELAD (Aeolian Littoral Sand She... more The RLO-ZC profile of Río Loro small lake at El Abalarlo area in MELAD (Aeolian Littoral Sand Sheet at El Abalario-Doñana), in Doñana Natural Park (Huelva, Spain) has been studied from a weathering point of view. We can identify two units in this profile: the below of these constitutes one sandy-clayey removed deposit from Pleistocene, where quartz is predominating in sands and kaolinites in the clay minerals. The superior unit is a sandy-clayey deposit ofaeolian and pooled character from Pleisto-Holocene or Holocene with quartz, high level smectite content and low level kaolinite proportion. Finally, the study provides a new interpretation to the geomorphologic model of MELAD in El Abalario are
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